/*
 * graph2D
 * Copyright (c) 2009 Shun Moriya <shun@mnu.sakura.ne.jp>
 *
 * The MIT License
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#include "layout.h"
#include "container.h"

namespace Graph2D
{
	Layout::Layout()
	 : alignmentH(TEXT_ALIGNMENT_CENTER)
	 , alignmentV(TEXT_ALIGNMENT_MIDDLE)
	{
	}

	Layout::~Layout()
	{
	}

	void Layout::apply(Component* component)
	{
		Container* parent = component->getParent();
		if(parent)
		{
			Vector2 newPosition;

			switch(alignmentH)
			{
			case TEXT_ALIGNMENT_LEFT:
				newPosition.x = parent->getLeftFrameSize();
				break;
			case TEXT_ALIGNMENT_CENTER:
				newPosition.x = parent->getSize().x * 0.5f - component->getSize().x * 0.5f;
				break;
			case TEXT_ALIGNMENT_RIGHT:
				newPosition.x = parent->getSize().x - component->getSize().x - parent->getRightFrameSize();
				break;
			}

			switch(alignmentV)
			{
			case TEXT_ALIGNMENT_TOP:
				newPosition.y = parent->getTopFrameSize();
				break;
			case TEXT_ALIGNMENT_MIDDLE:
				newPosition.y = parent->getSize().y * 0.5f - component->getSize().y * 0.5f;
				break;
			case TEXT_ALIGNMENT_BOTTOM:
				newPosition.y = parent->getSize().y - component->getSize().x - parent->getBottomFrameSize();
				break;
			}

			component->setPosition(newPosition);
		}
	}
}
